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FAQ

Why is the sky blue?

Most light passes through the earth's atmosphere with very little to no resistance, but ultraviolet light travels so fast it cannot avoid the ozone molecules. Instead of passing through, it bounces around up there until it slows down enough to become visible light. Also, since sunlight towards the beginning and end of the day are at a steeper angle and therefore have more atmosphere to pass through, the slower light waves get trapped too, which explains why we see different colors at sunrise and sunset than the rest of the day.